The Jews were exceedingly prone to this sin of murmuring, which is a complaining either through indignation, or impatience of what men hear spoken, or see done: the thing which offended, seemeth not to be his calling himself the true bread, and the bread of life; but because he said, that he came down from heaven.
Related Commentaries of John 6:41
John 6:41
41 The Jews then murmured at him, because he said,I am the bread which came down from heaven.